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f983710758
linux/fs/xfs
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Dave Chinner f983710758 xfs: make the log ticket transaction id random 
The transaction ID that is written to the log for a transaction is
currently set by taking the lower 32 bits of the memory address of
the ticket structure.  This is not guaranteed to be unique as
tickets comes from a slab and slots can be reallocated immediately
after being freed. As a result, there is no guarantee of uniqueness
in the ticket ID value.

Fix this by assigning a random number to the ticket ID field so that
it is extremely unlikely that duplicates will occur and remove the
possibility of transactions being mixed up during recovery due to
duplicate IDs.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
2010-05-19 09:58:13 -05:00
..
linux-2.6 xfs: convert the dquot hash list to use list heads 2010-05-19 09:58:11 -05:00
quota xfs: remove xfs_dqmarker 2010-05-19 09:58:11 -05:00
support xfs: event tracing support 2009-12-14 23:08:16 -06:00
Kconfig
Makefile xfs: merge xfs_lrw.c into xfs_file.c 2010-03-01 16:34:18 -06:00
xfs_acl.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_ag.h xfs: add a shrinker to background inode reclaim 2010-04-29 16:22:13 -05:00
xfs_alloc_btree.c xfs: Don't directly reference m_perag in allocation code 2010-01-15 15:33:12 -06:00
xfs_alloc_btree.h
xfs_alloc.c xfs: cleanup up xfs_log_force calling conventions 2010-01-21 13:44:49 -06:00
xfs_alloc.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_arch.h
xfs_attr_leaf.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_attr_leaf.h
xfs_attr_sf.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_attr.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_attr.h xfs: convert attr to use unsigned names 2010-01-20 10:47:48 +11:00
xfs_bit.c
xfs_bit.h
xfs_bmap_btree.c xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_bmap_btree.h xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_bmap.c xfs: fix reservation release commit flag in xfs_bmap_add_attrfork() 2010-05-19 09:58:08 -05:00
xfs_bmap.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_btree_trace.c
xfs_btree_trace.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_btree.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_btree.h
xfs_buf_item.c xfs: remove stale parameter from ->iop_unpin method 2010-05-19 09:58:08 -05:00
xfs_buf_item.h xfs: add log item recovery tracing 2010-05-19 09:58:10 -05:00
xfs_da_btree.c xfs: convert dirnameops to unsigned char names 2010-01-20 10:47:17 +11:00
xfs_da_btree.h xfs: convert dirnameops to unsigned char names 2010-01-20 10:47:17 +11:00
xfs_dfrag.c xfs: more swap extent fixes for dynamic fork offsets 2010-04-26 12:38:51 -05:00
xfs_dfrag.h xfs: clean up inconsistent variable naming in xfs_swap_extent 2010-01-15 15:31:23 -06:00
xfs_dinode.h
xfs_dir2_block.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_block.h
xfs_dir2_data.c
xfs_dir2_data.h
xfs_dir2_leaf.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_leaf.h
xfs_dir2_node.c xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_dir2_node.h xfs: make several more functions static 2010-01-15 15:31:38 -06:00
xfs_dir2_sf.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2_sf.h
xfs_dir2.c xfs: clean up sign warnings in dir2 code 2010-01-20 10:48:05 +11:00
xfs_dir2.h xfs: make xfs_dir_cilookup_result use unsigned char 2010-01-20 10:47:25 +11:00
xfs_dmapi.h
xfs_dmops.c
xfs_error.c xfs: add const qualifiers to xfs error function args 2010-05-19 09:58:11 -05:00
xfs_error.h xfs: add const qualifiers to xfs error function args 2010-05-19 09:58:11 -05:00
xfs_extfree_item.c xfs: remove stale parameter from ->iop_unpin method 2010-05-19 09:58:08 -05:00
xfs_extfree_item.h
xfs_filestream.c xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_filestream.h xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_fs.h xfs: return inode fork offset in bulkstat for fsr 2010-03-05 11:02:07 -06:00
xfs_fsops.c xfs: Replace per-ag array with a radix tree 2010-01-15 15:33:52 -06:00
xfs_fsops.h
xfs_ialloc_btree.c
xfs_ialloc_btree.h
xfs_ialloc.c xfs: remove duplicate buffer flags 2010-01-21 13:44:36 -06:00
xfs_ialloc.h
xfs_iget.c xfs: fix locking for inode cache radix tree tag updates 2010-03-01 19:14:36 -06:00
xfs_inode_item.c xfs: remove stale parameter from ->iop_unpin method 2010-05-19 09:58:08 -05:00
xfs_inode_item.h xfs: Don't issue buffer IO direct from AIL push V2 2010-02-02 10:13:42 +11:00
xfs_inode.c xfs: Add inode pin counts to traces 2010-05-19 09:58:08 -05:00
xfs_inode.h xfs: remove xfs_ipin/xfs_iunpin 2010-03-01 16:35:56 -06:00
xfs_inum.h
xfs_iomap.c xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_iomap.h xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_itable.c xfs: return inode fork offset in bulkstat for fsr 2010-03-05 11:02:07 -06:00
xfs_itable.h
xfs_log_priv.h xfs: clean up xlog_write_adv_cnt 2010-05-19 09:58:10 -05:00
xfs_log_recover.c xfs: nothing special about 1-block log sector 2010-05-19 09:58:12 -05:00
xfs_log_recover.h xfs: Use list_heads for log recovery item lists 2010-01-15 15:31:51 -06:00
xfs_log.c xfs: make the log ticket transaction id random 2010-05-19 09:58:13 -05:00
xfs_log.h xfs: introduce new internal log vector structure 2010-05-19 09:58:10 -05:00
xfs_mount.c xfs: Increase the default size of the reserved blocks pool 2010-03-05 11:01:59 -06:00
xfs_mount.h xfs: add a shrinker to background inode reclaim 2010-04-29 16:22:13 -05:00
xfs_mru_cache.c xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_mru_cache.h xfs: Kill filestreams cache flush 2010-01-15 15:34:22 -06:00
xfs_quota.h xfs: kill the unused XFS_QMOPT_* flush flags V2 2010-02-04 09:48:58 +11:00
xfs_refcache.h
xfs_rename.c xfs: event tracing support 2009-12-14 23:08:16 -06:00
xfs_rtalloc.c xfs: fix missing error check in xfs_rtfree_range 2010-01-15 13:46:19 -06:00
xfs_rtalloc.h
xfs_rw.c xfs: only clear the suid bit once in xfs_write 2010-02-12 13:43:57 -06:00
xfs_rw.h xfs: only clear the suid bit once in xfs_write 2010-02-12 13:43:57 -06:00
xfs_sb.h
xfs_trans_ail.c xfs: Don't issue buffer IO direct from AIL push V2 2010-02-02 10:13:42 +11:00
xfs_trans_buf.c xfs: remove stale parameter from ->iop_unpin method 2010-05-19 09:58:08 -05:00
xfs_trans_extfree.c
xfs_trans_inode.c
xfs_trans_item.c
xfs_trans_priv.h
xfs_trans_space.h
xfs_trans.c xfs: Clean up xfs_trans_committed code after factoring 2010-05-19 09:58:09 -05:00
xfs_trans.h xfs: add log item recovery tracing 2010-05-19 09:58:10 -05:00
xfs_types.h xfs: directory names are unsigned 2010-01-20 10:44:58 +11:00
xfs_utils.c
xfs_utils.h
xfs_vnodeops.c xfs: remove wrapper for the fsync file operation 2010-03-01 16:34:38 -06:00
xfs_vnodeops.h xfs: kill xfs_lrw.h 2010-03-01 16:35:44 -06:00
xfs.h xfs: event tracing support 2009-12-14 23:08:16 -06:00